Staging: batman-adv: fix crash when new OGM is generated (15f00687) · Commits · 戴 / test

If aggregation is not enabled the local translation table can grow much bigger and expects to fill a full ethernet packet. Reported-by:

drivers/staging/batman-adv/aggregation.c

+8 −2

Original line number	Diff line number	Diff line
		@@ -123,8 +123,14 @@ static void new_aggregated_packet(unsigned char *packet_buff, int packet_len,
		return;
		}

		if ((atomic_read(&bat_priv->aggregation_enabled)) &&
		(packet_len < MAX_AGGREGATION_BYTES))
		forw_packet_aggr->skb = dev_alloc_skb(MAX_AGGREGATION_BYTES +
		sizeof(struct ethhdr));
		else
		forw_packet_aggr->skb = dev_alloc_skb(packet_len +
		sizeof(struct ethhdr));

		if (!forw_packet_aggr->skb) {
		if (!own_packet)
		atomic_inc(&bat_priv->batman_queue_left);